The K7RA Solar Update
The K7RA Solar Update 03/05/2021 Tad Cook, K7RA, Seattle, reports: We saw one day during the February 25 – March 3 reporting week — Monday, March 1 — with no sunspots, so the average daily sunspot number declined slightly from 19.6 to 18.9. Two new sunspot groups (2806 and 2807) appeared on Tuesday, March 2. Average daily solar flux increased only slightly during the reporting week, from 75.7 to 76.7. Average daily planetary A index softened slightly from 16 to 14.7, and the middle l...
United States Tamitha Skov Frank Donovan Technical Information Service International Dx Contest South America
Source: arrl.org